81979389

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{4219}}^1$

素因数の和:4369

約数の個数: 24

約数和(自身を含む): 126397440

約数和(自身を除く): 44418051

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 1143, 2159, 4219, 6477, 12657, 19431, 37971, 71723, 215169, 535813, 645507, 1607439, 4822317, 9108821, 27326463, 81979389]

約数ペア:

[(1, 81979389), (3, 27326463), (9, 9108821), (17, 4822317), (51, 1607439), (127, 645507), (153, 535813), (381, 215169), (1143, 71723), (2159, 37971), (4219, 19431), (6477, 12657)]